of or from a long time ago, having lasted for a very long time:
ancient
15
a sudden event that causes very great trouble or destruction
catastrophe
15
(the length of) a straight line that reaches from one point on the edge of a round shape or object, through its centre, to a point on the opposite edge
diameter
10
extremely large
enormous/huge/gigantic
10
making you feel fear
frightening
15
very large in size, amount, or number
massive
15
an animal that eats meat
carnivore
15
someone or something that is not included in a rule, group, or list or that does not behave in the expected way
exception
20
the organ in your chest that sends the blood around your body
heart
10
the lower part of your face that moves when you open your mouth
jaw
10
an animal that eats only plants
herbivore
10
to (cause something to) grow or change into a more advanced, larger, or stronger form
